JPH0658553A - Heating cooking device - Google Patents

Abstract

PURPOSE:To prevent a heater heating and cooking from being performed when mounting a thawing net on a heater heating and cooking tray by mistake. CONSTITUTION:A plastic thawing net 31 has four leg parts 31a formed integrally therewith. The thawing net 31 is designed in such a way that the outside diameter dimension is substantially the same as the inner periphery dimension of a rotating tray. Thus, the thawing net is mounted on the rotating tray. to perform its thawing function. An oven tray 32 for heater heating and cooking has a peripheral wall part 32a with an inner periphery dimension set to a size smaller than the outside diameter dimension of the thawing net 31. When the thawing net 31 is to be mounted on the oven tray 32, any one of the leg parts 31a of the thawing net 31 is overlain and abuts on the peripheral wall part 32a of the oven tray 32, so that it is inclined and is not properly mounted thereon. Therefore, an user does not perform an oven cooking by mistake and the fusing and deformation of the thawing net 31 can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a function of thawing an object to be cooked with a high frequency while a defrosting net is placed on a rotary dish, and a function of heating and cooking the object to be cooked using a heater heating cooking dish. The present invention relates to a heating cooker having.

[0002]

2. Description of the Related Art Conventionally, as a heating cooker of this type, there is, for example, an oven or a microwave oven having a grill cooking function. In the microwave cooking mode, this product outputs high frequency waves to the heating chamber by a magnetron etc. to heat and cook the objects to be heated. Thaw by slowly heating the material. In the oven or grill mode, the object to be heated in the heating chamber is heated and cooked by the electric heater.

In this case, when the above-mentioned defrosting function is used, a defrosting net made of, for example, plastic is set on a rotating dish, and an object to be defrosted is placed on the defrosting net to carry out cooking by heating. Also, in the oven or grill mode, set a dish for heating with a heater, such as an oven dish or a grill dish, in the heating chamber, and place the object to be heated on it to carry out cooking. Has become.

[0004]

By the way, in the microwave oven capable of performing various kinds of cooking as described above,
In order to carry out by setting the corresponding accessory among the various accessories as described above in correspondence with the cooking form in the heating chamber,
In some cases, you may accidentally set another accessory to perform cooking.

In particular, if the thawing net is mistakenly set on the oven plate or the grill plate and the heater is cooked in the oven or in the grill mode, the thawing net is melted because it is made of a plastic weak to heat. It may be deformed or deformed.

The present invention has been made in view of the above circumstances, and an object thereof is to prevent the heater heating cooking from being erroneously executed with the defrosting net placed on the heater heating cooking dish. The object is to provide a heating cooker that can be easily recognized by the user and can prevent the defrosting net from melting or deforming.

[0007]

SUMMARY OF THE INVENTION The present invention has a function of thawing an object to be cooked with a high frequency while a defrosting net is placed on a rotary dish, and cooking the object to be cooked using a heater heating cooking dish. It is intended for a heating cooker having a function, and provided with a step portion with which a part of the defrosting net abuts in a riding state when the defrosting net is placed on the heater heating cooking dish. However, it has a feature.

[0008]

According to the heating cooker of the present invention, in performing the thawing function, the object to be thawed is placed on the thawing net while the thawing net is placed on the rotary plate in the heating chamber. It can be performed, and the object to be heated is thereby irradiated with high frequency waves and thawed. Further, when the user mistakenly tries to place the defrosting net on the heater cooking dish other than the rotating dish, a part of the defrosting net comes into contact with the stepped portion of the heater heating cooking dish in a riding state. Therefore, the defrosting net cannot be placed properly and is in an inclined state, so that the user can quickly recognize this. Therefore, the user will have to remove the defrosting net that cannot be placed correctly and is in an inclined state, so that the heating heating cooking is not performed while the defrosting net is placed, and the thaw net is melted or deformed. It is possible to prevent troubles such as doing.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment in which the present invention is applied to an oven and a microwave oven with a grill function will be described below with reference to FIG.
It will be described with reference to FIGS. First, FIG. 2 and FIG.
The outline of the overall configuration will be described with reference to.

In FIG. 2, the front surface of the main body 1 is a door 2
There is provided a heating chamber 3 which is opened and closed by. A rotating plate 4 on which an object to be heated is placed is provided on the inner bottom of the heating chamber 3. The rotary plate 4 is adapted to be rotated by an RT motor 5 (see FIGS. 1 and 4) provided on the outer bottom of the heating chamber 3. A known weight sensor (not shown) for detecting the weight of the object to be heated is linked to the rotary plate 4, and the weight sensor circuit 6 is operated by the weight sensor and its signal processing circuit. Is configured.

Further, a hot air heater 7 and a hot air fan 8 for supplying hot air into the heating chamber 3 to perform oven cooking are provided on a rear wall portion behind the back wall 3a of the heating chamber 3. The ceiling of the heating chamber 3 is provided with a planar grill heater 9 (shown only in FIG. 4) for grill cooking. Further, a heating chamber temperature sensor 10 for detecting the temperature inside the heating chamber 3 is provided on the inner wall portion of the heating chamber 3.

On the left side of the heating chamber 3, the heating chamber 3
Exhaust duct 1 for discharging the internal air to the outside of the main body 1
1 is provided. An alcohol sensor 12 and a water vapor sensor 13 are provided in the exhaust duct 11, and a well-known deodorizer 14 that adsorbs and decomposes smoke particles and odor components and a catalyst heater for heating the deodorizer 14. 14a is provided. A height sensor 15 composed of a pair of a light projecting element and a light receiving element is provided on both side walls of the heating chamber 3 so as to detect the height of the object to be heated.

On the other hand, on the right side of the heating chamber 3, there is a machine room 1
6 is provided. A magnetron 17 for supplying microwaves to the heating chamber 3 via a waveguide (not shown) to perform range cooking is provided in the machine chamber 16, and the magnetron 17 and the like are cooled. A cooling fan 18 and the like are provided for this purpose. Further, a part of the cooling air from the cooling fan 18 and the intake duct 19 disposed on the right side of the heating chamber 3 and the right wall 3b of the heating chamber 3 are provided.
The gas is supplied into the heating chamber 3 through the intake opening 3c provided in the.

Further, an operation panel 20 is provided on the front surface of the machine room 16. As shown in FIG. 3, the operation panel 20 displays a switch operation unit 21 including various switches for the user to select a cooking menu or the like and to instruct the start of cooking, and various messages and the like. A display 22 is provided. Further, an outside air temperature sensor 23 for detecting the ambient temperature of the peripheral portion of the main body 1 is provided at the outer bottom portion of the operation panel 20. The outside air temperature sensor 23 and its signal processing circuit constitute an outside air temperature detection circuit 24 shown in FIG.

FIG. 4 is a block diagram showing the electrical configuration of the microwave oven configured as described above, which is a control circuit 25.
Is composed of a microcomputer, a ROM, a RAM, etc., and a program for heating and cooking is stored in advance. Each of the input terminals of the control circuit 25 has a switch operation unit 21 and the outside air temperature detection circuit 2
4, in addition to the weight sensor circuit 6, the alcohol sensor circuit 26, the water vapor sensor circuit 27, the oven temperature detection circuit 2
8, a height detecting circuit 29 and a door switch (not shown) are connected to each other, and the control circuit 25 receives a detection signal from each circuit.

Of these, the oven temperature detecting circuit 28 is constructed to include the heating chamber temperature sensor 10 and its signal processing circuit, and the height detecting circuit 29 is used for the height sensor 15.
And its signal processing circuit. The alcohol sensor circuit 26 is configured to include the alcohol sensor 12 and the signal processing circuit thereof, and the water vapor sensor circuit 27 is configured to include the water vapor sensor 13 and the signal processing circuit thereof.

Then, the control circuit 25 controls the display 2 based on the cooking program and the various input signals.
2, RT motor 5, catalyst heater 15, grill heater 9,
The hot air heater 7, the hot air fan 8, the cooling fan 18, and the magnetron 17 are drive-controlled via a drive circuit (not shown) to execute heating and cooking.

Now, when performing various kinds of cooking, see FIG.
7 to 7 are used for cooking accessories. That is, FIG. 5 shows a rotary plate 30 made of heat-resistant glass, for example. This rotating dish 30 is used when performing high frequency heating in the microwave oven mode,
As shown in FIG. 8A, it is placed on the rotary plate 4 for use. In this case, the object to be heated placed on the rotary dish 30 is driven by the magnetron 1 controlled by the control circuit 25.
The microwave from 7 heats and cooks.

FIG. 6 shows a defrosting net 31 made of, for example, plastic. This defrosting net 31 is used in a state where the above-mentioned rotary dish 30 is placed on the rotary plate 4, that is, in a microwave oven mode, and is placed on the rotary dish 30. Are formed around the lower surface. In the defrosting net 31, the distance A between the opposing leg portions 31a, 31a is set to be substantially the same as the inner diameter dimension B of the rotary dish 30 or slightly smaller than the dimension B. Therefore, when the defrosting net 31 is placed on the rotary dish 30, all four legs 31a are brought into contact with the bottom surface of the rotary dish 30, as shown in FIG. 8B. Then, the object to be thawed placed on the thaw net 31 is gradually heated by the high frequency of weak output while being rotated, so that it is thawed.

FIG. 7 shows a metal oven tray 32 serving as a heater cooking dish. The oven plate 32 is formed such that the peripheral wall portion 32a as a step portion is higher than the dish surface 32b, and the lower surface portion is provided with a leg portion 32c. Then, as shown in FIG. 1 (a), the oven dish 32 is placed on the rotating plate 4 for use. In this case, in the oven heating cooking as the heater heating cooking, the control circuit 25 drives and controls the hot air heater 7 and the hot air fan 8, and the heating chamber 3
Hot air is sent into the inside of the oven dish 32, and the object to be heated placed on the oven dish 32 is rotated and cooked by the hot air.

Now, the inner diameter dimension C of the oven dish 32 is set to be smaller than the interval dimension A between the leg portions 31a, 31a of the thaw net 31, so that the thaw net 31 is placed on the oven dish 32. When placed, as shown in FIG. 1 (b), one of the leg portions 31a of the defrosting net 31 rides on the peripheral wall portion 32a of the oven dish 32, and the whole is inclined. In other words, the defrosting net 31 cannot be properly placed on the oven plate 32, and it is always in an inclined state.

Therefore, when the oven plate 32 is set in the heating chamber 3, even if the user mistakenly tries to set the defrosting net 31, the defrosting net 31 is inclined on the oven plate 32. By doing so, it becomes possible to notice that it is an incorrect usage, it is possible to prevent an erroneous operation when cooking in the oven, and the defrosting net 31 may be melted or deformed by performing the oven cooking. Can be prevented.

According to this embodiment, the decompression network 31
Can be properly placed only on the rotary dish 30 for microwave cooking, and is formed so as to be inclined when it is placed on the oven dish 32 for heater heating cooking. It can be recognized that it is being used incorrectly when placed on the oven plate 32. As a result, it is possible to prevent accidentally heating cooking using a heater such as oven cooking with the defrosting net 31 placed on the oven dish 32, and melting the defrosting net 31.
Alternatively, it is possible to avoid a problem such as deformation.

FIGS. 9 to 11 show a second embodiment of the present invention, and only portions different from the first embodiment will be described below. That is, FIG. 9 shows the decompression network 33. The defrosting net 33 is integrally formed as a configuration having a cylindrical leg portion 33a, and the leg portion 33a is a part of the defrosting net in the present invention. Further, a cutout portion 33b is formed at an appropriate portion of the leg portion 33a. The defrosting net 33 is placed on the rotary plate 30 and used in the defrosting cooking mode as in the first embodiment.

FIG. 10 shows a metal grill plate 34 as a heater heating and cooking plate. This grill plate 3
4 has a rectangular shallow-bottomed container shape, and a collar portion 34a as a step portion is formed on the peripheral wall portion. As shown in FIG. 11 (a), the grill plate 34 is designed such that the flange portion 34 a is supported by the shelf supports 35, 35 provided on the side wall portion in the heating chamber 3 for use. In grill cooking using the grill plate 34, the object to be heated placed on the grill plate 34 is heated and cooked by driving and controlling the grill heater 9 by the control circuit 25.

In this case, the length dimension D of one side of the inner edge of the grill plate 34 surrounded by the collar portion 34a is set to be slightly smaller than the outer diameter dimension A of the defrosting net 33. Therefore, when trying to set the defrosting net 33 on the grill plate 34, as shown in FIG. 11B, the leg portions 33a of the defrosting net 33 are brought into contact with the brim portions 34a of the grill plate 34 so that they come into contact with each other. The defrosting net 33 is inclined so that it cannot be set correctly.

Therefore, even if an object to be heated is placed on the grill plate 34 with the defrosting net 33 set, the object cannot be placed correctly, and the user immediately notices it. The same effects as those of the first embodiment can also be obtained by the second embodiment.

In the above embodiment, the decompression network 31
Alternatively, the case where the relationship between 33 and the rotary plate 30, the oven plate 32, and the grill plate 34 is set as a difference in size has been described, but the present invention is not limited to this, and for example, a part of the heater heating / cooking plate is provided as a stepped portion. A protrusion may be formed, and when the defrosting net is placed, a part of the protrusion may come into contact with the protrusion of the dish for heating and cooking so that the defrosting net is inclined.

[0029]

As described above, according to the heating cooker of the present invention, when the defrosting net is placed on the heater heating cooking dish, a part of the defrosting net abuts in a riding state. Since the defrosting net is installed on the dish for heating with the heater, the defrosting net will be tilted and cannot be set correctly, and the user can recognize that the defrosting net was mistakenly set. By doing so, it is possible to prevent erroneous operations such as performing heater heating cooking with the defrosting net set, and it is possible to prevent problems such as melting or deforming the defrosting net. .

[Brief description of drawings]

FIG. 1 is a schematic front view of the inside of a heating chamber with an oven dish placed thereon showing an embodiment of the present invention.

FIG. 2 is an external perspective view of the overall configuration.

FIG. 3 is a schematic cross-sectional plan view.

FIG. 4 is a block diagram showing an electrical configuration.

FIG. 5 is an external perspective view of a rotating dish.

FIG. 6 is an external perspective view of a thawing net.

FIG. 7 is an external perspective view of an oven dish.

FIG. 8 is a view corresponding to FIG. 1 in a state in which a rotating dish is placed.

FIG. 9 is a diagram corresponding to FIG. 6 showing a second embodiment of the present invention.

FIG. 10 is an external perspective view of a grill plate.

FIG. 11 is a view corresponding to FIG. 1 with a grill plate placed.

[Explanation of symbols]

1 is a main body, 3 is a heating chamber, 4 is a rotary plate, 5 is an RT motor,
7 is a hot air heater, 8 is a hot air fan, 9 is a grill heater,
17 is a magnetron, 25 is a control circuit, 30 is a rotating dish,
Reference numerals 31 and 33 are defrosting nets, 32 is an oven dish (heater heating / cooking dish), 32a is a peripheral wall portion (step portion), 34 is a grill dish (heater heating / cooking dish) 34a is a collar portion (step portion).

Claims (1)

[Claims] 1. A heating cooker having a function of thawing an object to be cooked with high frequency while a defrosting net is placed on a rotating dish and a function of heating and cooking the object to be cooked using a heater heating cooking dish. A heating cooker characterized in that a step portion is provided, with which a part of the defrosting net abuts when the defrosting net is placed on the heater heating and cooking dish in a mounted state.